/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: ws
 * Date: 2022-11-12
 * Time: 20:54
 */



//class Test{
//
//    private String name = "Person";
//    Test(String a){
//        System.out.print("Basew");
//    }
////    int age=0;


//}
//
//class Child extends Test {
//
//    public String grade;
//
//    public Child(String s) {
//        System.out.println("2");
//    }
//
//    public static void main(String[] args){
//
//        //Test p = new Test();
//        Child p1 = new Child(a);
////        System.out.println(p.age);
////        System.out.println(p1.age);
//
//    }
//
//}



//class Test{
//    public Test(String s){
//        System.out.print("B");
//    }
//}
//
//public class Derived extends Test{
//    public Derived (String s) {
//        System.out.print("D");
//    }
//    public static void main(String[] args){
//        new Derived("C");
//    }
//}


//class X{
//    Y y=new Y();//1
//    public X(){//2
//        System.out.print("X");
//    }
//}
//class Y{
//    public Y(){//3
//        System.out.print("Y");
//    }
//}
//public class Z extends X{
//    Y y=new Y();//4
//    public Z(){//5
//        System.out.print("Z");
//    }
//    public static void main(String[] args) {
//        new Z();
//    }
//}


import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNextInt()) {
            int x = scanner.nextInt();
            int y = scanner.nextInt();
            int z = scanner.nextInt();
            Sub sub = new Sub(x, y, z);
            System.out.println(sub.calculate());
        }
    }

}

class Base {

    private int x;
    private int y;

    public Base(int x, int y) {
        this.x = x;
        this.y = y;
    }

    public int getX() {
        return x;
    }

    public int getY() {
        return y;
    }

}

class Sub extends Base {

    private int z;

    public Sub(int x, int y, int z) {
        //write your code here
        super(x,y);
        this.z = z;
    }

    public int getZ() {
        return z;
    }

    public int calculate() {
        return super.getX() * super.getY() * this.getZ();
    }

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int a = scanner.nextInt();
        int b = scanner.nextInt();
        int c = scanner.nextInt();
        Sub d = new Sub(a,b,c);
        System.out.println(d.calculate());

    }
}


//有父类Base，内部定义了x、y属性。
//有子类Sub，继承自父类Base。子类新增了一个z属性，并且定义了calculate方法，在此方法内计算了父类和子类中x、y、z属性三者的乘积。
//请补全子类构造方法的初始化逻辑，使得该计算逻辑能够正确执行。